John Hall wrote:
In article ,
Norman Lynagh writes:
Don't forget that over much of the country June is the driest, or one
of the driest months of the year, on average, and that there is a
significant upwards jump in average rainfall amounts in July with a
further increase in August. The amount of increase from June to July
increases across the country from SE to NW. July and August are
typically unsettled. Lengthy spells of warm, dry, settled weather in
those months are the exception rather than the rule.

That certainly used to be the case, but things seemed to have changed
rather over the last couple of decades, with our Julys and Augusts
having tended to become drier, at least in the south. At least, that
is my strong impression, without having done any research to back it
up.

I was involved, in a minor way, with some research into the weather of the
Nineties, back around the turn of the millennium. It suggested that in that
period, July and August had shown, relative to 61-90, higher temperatures
with an increase in sunshine hours and some lowering of rainfall. However,
it concluded that June during the same period was more often than not
indifferent.

Reference
Wright, PB 2000: Weather of the Nineties; Westwind Services; ISBN
0-9539710-0-7
--
Rob Overfield
Hull